Home / 35,905.07-53,882.21-12,531.51

Finding the Fourth Proportional to 35,905.07, 53,882.21 and 12,531.51

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Solution

The fourth proportional to 35,905.07, 53,882.21 and 12,531.51 is: 18,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.07 : 53,882.21 = 12,531.51 : x
  2. Step 2: Convert to fraction form
    35,905.07/53,882.21 = 12,531.51/x
  3. Step 3: Cross multiply
    35,905.07x = 53,882.21 × 12,531.51
  4. Step 4: Simplify right side
    35,905.07x = 675,225,453.44
  5. Step 5: Solve for x
    x = 675,225,453.44/35,905.07
  6. Step 6: Final answer
    x = 18,805.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.